Home / 17,865.80-24,643.88-11,816.04

Finding the Fourth Proportional to 17,865.80, 24,643.88 and 11,816.04

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Solution

The fourth proportional to 17,865.80, 24,643.88 and 11,816.04 is: 16,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.80 : 24,643.88 = 11,816.04 : x
  2. Step 2: Convert to fraction form
    17,865.80/24,643.88 = 11,816.04/x
  3. Step 3: Cross multiply
    17,865.80x = 24,643.88 × 11,816.04
  4. Step 4: Simplify right side
    17,865.80x = 291,193,071.84
  5. Step 5: Solve for x
    x = 291,193,071.84/17,865.80
  6. Step 6: Final answer
    x = 16,298.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.